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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// URLs of the form "feed://foo" are implemented by handing an "http://"
// URL up to the resource fetching code, then generating a preview at this
// layer and handing that back to WebKit.
#ifndef WEBKIT_GLUE_FEED_PREVIEW_H__
#define WEBKIT_GLUE_FEED_PREVIEW_H__
#include <string>
#include "base/compiler_specific.h"
MSVC_PUSH_WARNING_LEVEL(0);
#include "ResourceHandleClient.h"
MSVC_POP_WARNING();
namespace WebCore {
// FeedClientProxy serves as a ResourceHandleClient that forwards calls to
// a "real" ResourceHandleClient, buffering the response so it can provide
// a feed preview if the underlying resource request succeeds.
class FeedClientProxy : public ResourceHandleClient {
public:
FeedClientProxy(ResourceHandleClient* client);
virtual ~FeedClientProxy() { }
// ResourceHandleClient overrides.
virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse&);
virtual void didReceiveData(ResourceHandle*, const char*, int, int);
virtual void didFinishLoading(ResourceHandle*);
virtual void didFail(ResourceHandle*, const ResourceError&);
private:
// The "real" ResourceHandleClient that we're forwarding responses to.
ResourceHandleClient* client_;
// Whether we should insert a feed preview -- only if the request came
// back ok.
bool do_feed_preview_;
// The response data, which we can parse for the feed preview.
std::string data_;
// The value of the mystery lengthReceived parameter. We accept this via
// didReceiveData() and forward it along unmodified.
// TODO(evanm): do the right thing here, once we know what that is.
// (See TODOs in resource_handle_win.cc.)
int length_received_;
};
} // namespace WebCore
#endif // WEBKIT_GLUE_FEED_PREVIEW_H__
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